线性八极的磁场

arXiv - PHYS - Physics Education Pub Date : 2024-07-15 DOI:arxiv-2407.18958

E. Arribas, I. Escobar, R. Ramirez-Vazquez, A. C. Marti, M. Monteiro, C. Stari, A. Belendez

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引用次数: 0

摘要

我们测量的是由四个磁体形成的线性八极产生的磁场，这四个磁体的磁矩和四极矩相互抵消。磁场是通过智能手机的磁传感器和一个合适的应用程序（使用安卓操作系统）测量的。主要目的是确定磁场的 x 分量随距离的变化情况，并与理论结果进行比较。

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Magnetic field of a linear octupole

We measure the magnetic field produced by a linear octupole formed by four magnets placed in such a way that both their magnetic moments and their quadrupole moments cancel each other. The magnetic field is measured with the magnetic sensor of a smartphone together with a suitable app, using the Android operating system. The main objective is to determine the dependence of the x-component of the magnetic field with distance and compare with the theoretical result that tells us that this dependence is a quintic decrease.

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arXiv - PHYS - Physics Education

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